Tank top



FIG. 1 is a front view of a tank top according to a first embodiment of the design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a reduced top view thereof;

FIG. 6 is a front perspective view thereof;

FIG. 7 is a rear view of a tank top according to a second embodiment of the design, the front, left side, top, and front perspective views being the same as FIGS. 1 and 4-6, respectively; and,

FIG. 8 is a right side view thereof.

The symbol depicted in FIGS. 7-8 forming part of the claimed design is a registered trademark of Lululemon Athletica Canada Inc. 

The ornamental design for a tank top, as shown and described. 